I found this last week on HN, but there was a great book that's short and hands-on called Learned Optimism: https://en.wikipedia.org/wiki/Learned_optimism https

I found this last week on HN, but there was a great book that's short and hands-on called Learned Optimism: https://en.wikipedia.org/wiki/Learned_optimism https://en.wikipedia.org/wiki/Learned_optimism which was written by one of the researchers on Learned Helplessness